汽车专业英语课文翻译4

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1、FuelSupplySystemofGasolineEngine(UNITSEVEN)Allthegasolineengineshavesubstantiallyidenticalfuelsystemsandrunonamixtureconsistingoffuelvaporandair.Thefuelsystemcomprisestheunitsdesignedtostore,clearanddeliverfuel,theunitsintendedtocleanairandaunitforpreparingamixt

2、urefromfuelvaporandair.Inafuelsystemdifferentcomponentsareusedtosupplyfuelfromthefueltankintotheenginecylinder.Someoftheimportantcomponentsarefueltank,fuelpump,fuelfilter,carburetor,intakemanifoldandfuellinesortubesconnectingthetank,pumpandthecarbureto匚Thefuelta

3、nkisafuelcontainerusedforstoringfuel.Itismadeofsheetmetal.Itisattachedtothevehicleframewithmetaltrapsandislocatedattherearofthevehicle・Theyaremountedinabootorboot-floorpanincaseoffront-enginedcarsandsmallcommercialvehicles.Inordertostrengthenthetankaswellastopre

4、ventsurgingoffuelwhenthevehicleroundsacurveofsuddenlystops,baffleplatesareattachedtotheinsideofthetank・Acapisusedtoclosethefilleropeningofthetank.Thefuellineisattachedatornearthebottomofthetankwithafilteringelementplacedattheconnection・Theothercomponentsofthefue

5、ltankarethefuelgaugesendingunit,aventpipe,receivingunit.Topreventthedirtandwaterfromenteringtheluggagecompartment,ascalingstripisfittedbetweenthefueltankandbootfloorpan.Moreovertolimitthetransmissionofframedistortiontothetankgivingrisetosqueakingasthemetalpartsg

6、etrubbedtogether,rubberorfeltpadsareoftenfittedbetweenthemountingsandthetank・Provisionisalsomadeagainstdrummingofthetankbythesemountings.Thetankmaybeplacedatthesideofthechassisframeforconvenienceincaseoflargecommercialvehicles・Thelengthoftheconnectinglinesortube

7、sfromthetanktothecarburetorisalsorestrictedbythisatthesametime.Aporousfilterisattachedtotheoutletlines・Bydrawingfuelfromthetankthroughthefilter,anywaterinthebottomofthetankaswellasanydirtintothefuelgathersonthesurfaceofthefilter.Tokeepthefuelalwaysunderatmospher

8、icpressure,thefilterpipeortankisvented・Inordertopreventdirtinthefuelfromenteringthefuelpumporcarburetor,fuelfiltersandscreensareusedinthefuelsystem.Ifthedirtisnotremo